Based on the earlier mayan timekeeping , the aztecs used two different types of year .
基于早期玛雅人的计时方式,阿兹塔克人使用两种不同类型的纪年方式。
I confess to not being particularly consistent at timekeeping .
我承认自己并不是一贯特别守时。
Though some timekeeping devices , like sundials and water clocks , have been used for thousands of years , everyday people did not tell time all that often .